GUIStyle.padding 内边距

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	private RectOffset rctOff;
	void OnGUI() {
		if (GUI.skin.customStyles.Length > 0) {
			rctOff = GUI.skin.customStyles[0].padding;
			Debug.Log("Left: " + rctOff.left + " Right: " + rctOff.right);
			Debug.Log("Top: " + rctOff.top + " Bottom: " + rctOff.bottom);
		}
	}
}

// Prints the left, right, top and down values of the GUIStyle padding
//打印GUIStyle内边距的left, right, top 和 down的值

private var rctOff : RectOffset;
function OnGUI() {
	if(GUI.skin.customStyles.Length > 0) {
		rctOff = GUI.skin.customStyles[0].padding;
		Debug.Log("Left: " + rctOff.left + " Right: " + rctOff.right);
		Debug.Log("Top: " + rctOff.top + " Bottom: " + rctOff.bottom);
	}
}